The following injury categories and treatment
guidelines have been formally accepted by the Ohio State Chiropractic
Association as an acceptable guideline pertaining to Low Speed Rear
Impact Collision (LOSRIC).
Injury Category Croft Scale
Table I : Grades of Severity of Injury
Grade
I
Minimal:
No limitation of motion; no ligamentous injury; no neurological
findings.
Grade
II
Slight:
Limitation of motion; no ligamentous injury; no neurological
findings.
Grade
III
Moderate:
Limitation of motion; ligamentous instability; neurological
symptoms.
Grade
IV
Moderate
to Severe: Limitation of motion; some ligamentous injury;
neurological symptoms; fracture or disc derangement.
Number of Treatments Guides to Treatment
Table II: Guidelines for Frequency and Duration of Care in Cervical
Acceleration/Deceleration Trauma2 f
Daily
3x/wk
2x/wk
1x/wk
1x/mo
TD
TN
Grade I
1 wk
1-2 wk
2-3 wk
<4 wk
_1
<11 wk
<21
Grade II
1 wk
<4 wk
<4 wk
<4 wk
<4 mo
<29 wk
<33
Grade III
1-2 wk
<10 wk
<10 wk
<10 wk
<6 mo
<56 wk
<76
Grade IV
2-3 wk
<16 wk
<12 wk
<20 wk
_ 2
_ 2
_ 2
Grade V
Surgical
stabilization necessary--chiropractic care is post surgical.
TD = treatment
duration; TN = treatment number. 1 Possible follow-up at 1 month. 2 May require permanent monthly or prn (as needed)
treatment.